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Home My WebLink About01_Eno_State_Park_Eco_Flow_StudyThe Next Step: Eno River Demonstration Project Eno River State Park Ecological Flow Study •Data collected 7/1986 – 6/1988 at flows ranging from 1.9 to 234 cfs •Existing model of physical/ hydraulic conditions will be used •Habitat suitability indices will be updated with additional aquatic species and guilds Eno River State Park Ecological Flow Study •Various flow management alternatives will be evaluated for habitat effects. •A second Eno River study site farther upstream at Hillsborough will also be evaluated using a similar approach. •If this approach proves workable, there are other existing flow vs. habitat study sites on other types of streams that could also be analyzed. Aquatic Habitat vs. Flow Studies Existing Study Sites in NC - medium stable streams - classification not yet known, or stream regulated by upstream reservoir - coastal streams - small stable streams - small flashy streams Note: classifications are based on NC hydrologic stream classification system Eno River State Park Ecological Flow Study - Site Characteristics •Drainage Area = 99.4 square miles •Mean Annual Flow ~ 86.4 cfs •7Q10 ~ 2.6 cfs •September median flow ~ 11.2 cfs •Wetted perimeter method flow recommendation = 19.4 cfs •Note: All photos in the following slides are taken from the left bank as you face upstream Eno River State Park Ecological Flow Study Transect #1, Shallow Run Eno River State Park Ecological Flow Study Transect #3, Riffle Transect #4, Braided Eno River State Park Ecological Flow Study Transect #5, Marginal Bars Eno River State Park Ecological Flow Study Transect #6, Shallow Pool Eno River State Park Ecological Flow Study Transect #7, Shallow Pool Looking upstream from Transect #7 Eno River State Park Ecological Flow Study Transect #8, Run/Riffle Eno River State Park Ecological Flow Study Transect #9, Run Eno River State Park Ecological Flow Study Transect #10, Shallow Pool Eno River State Park Ecological Flow Study Transect #11, Boulder Riffle Eno River State Park Ecological Flow Study Transect #11, Boulder Riffle cont’d Eno River State Park Ecological Flow Study Transect #12, Deep Pool